I have a 10″ 224 I have a problem gettting throw the last 2″ of ice it binds up. called strike master they said they had some promblem with the 10″ blades send me two set right away. Its better but still a little problem when the frist set of blades open the hole the bigger ones grab and stop the auger.and thats letting the auger work and not pushing down on it. its my first power auger maybe its me